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Finding the Fourth Proportional to 65,740.80, 98,625.60 and 32,476.80

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Solution

The fourth proportional to 65,740.80, 98,625.60 and 32,476.80 is: 48,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.80 : 98,625.60 = 32,476.80 : x
  2. Step 2: Convert to fraction form
    65,740.80/98,625.60 = 32,476.80/x
  3. Step 3: Cross multiply
    65,740.80x = 98,625.60 × 32,476.80
  4. Step 4: Simplify right side
    65,740.80x = 3,203,043,886.08
  5. Step 5: Solve for x
    x = 3,203,043,886.08/65,740.80
  6. Step 6: Final answer
    x = 48,722.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.